06.06.2026
511 ontario — CA news
Severe winter weather has led to significant highway closures in Ontario, affecting travel and safety across the region.

As winter weather conditions worsen, Ontario has seen a series of highway closures that have significantly impacted travel across the region. Just before 7:39 AM today, Ontario 511 reported that all lanes on Highway 400 were closed between exit 231-Hwy 124 Parry Sound Dr. and Highway 559, exit 241 at Nobel. This closure is part of a broader response to hazardous winter conditions expected due to a major winter storm.

Motorists are facing freezing rain with ice build-up estimated between 6 to 12 mm, alongside northeasterly wind gusts reaching 70 to 80 km/h. These conditions have prompted authorities to urge individuals to avoid travel unless absolutely necessary. The situation has escalated, leading to the closure of Highway 11 between Collins Road and Labelle Street in Hearst.

In contrast, Highway 17 has recently been reported as fully reopened east of Sault Ste. Marie, providing some relief to travelers in that area. However, Highway 144 remains closed due to both weather conditions and an accident, further complicating travel plans for many.

As of now, Highway 11 has reopened its westbound lanes only between Hearst and Longlac, but caution is still advised. All travel and outdoor activities should be avoided due to the severe weather, which is expected to cause prolonged and widespread utility outages across the region.

Authorities are warning that roofs are at an increased risk of collapse under the weight of snow, adding to the urgency of the situation. Motorists are advised to monitor Ontario 511 for updates on road conditions and possible reopening times.

In summary, the sequence of events highlights the challenges posed by severe winter weather in Ontario, affecting both road safety and travel plans. As the storm continues to develop, residents and travelers alike are encouraged to stay informed and prioritize safety.